This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea determines which method of hand cleansing is the most effective.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Help your kindergarten science maven explore the water cycle without getting everything wet.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

In this science fair project, young children notice and track changes in trees throughout the year.

Learn how different types of soil affect how animal tracks form in this experiment!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!